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日本对虾养殖的最大障碍是养殖过程中出现暴发性 流行病,笔者就其发病原因及预防措施进行如下探讨, 以供参考。 1流行情况 日本对虾暴发性流行病主要在6月底至7月发生。主
Japanese shrimp farming is the biggest obstacle in the breeding outbreak epidemic, the author on its causes and preventive measures to explore the following for reference. 1 prevalence of Japanese shrimp epidemic Epidemic mainly occurred in late June to July. the Lord